1.(5x+7)-3(2x-5) = 0 5x + 7 - 6x + 15 = 0 -x + 22 = 0 x = 222. 8x-2(-4x+7)8x + 8x - 14 = 016x - 14 = 016x = 14x = 14/16 = 7/8 3.(2x-1) (-5x+6)-10x² + 12x + 5x - 6 = 0-10x² + 17x - 6 = 0
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1.(5x+7)-3(2x-5) = 0
5x + 7 - 6x + 15 = 0
-x + 22 = 0
x = 22
2. 8x-2(-4x+7)
8x + 8x - 14 = 0
16x - 14 = 0
16x = 14
x = 14/16 = 7/8
3.(2x-1) (-5x+6)
-10x² + 12x + 5x - 6 = 0
-10x² + 17x - 6 = 0